The Green Line is a semi-metro system run by the Massachusetts Bay Transportation Authority (MBTA) in the Boston, Massachusetts, metropolitan area. It is the oldest MBTA subway line, and with tunnel sections dating from 1897, the oldest subway in North America. It runs underground through downtown Boston, and on the surface into inner suburbs via six branches on radial boulevards and grade-separated alignments. With an average daily weekday ridership of 137,700 in 2019, it is the third most heavily used light rail system in the country. The line was assigned the green color in 1967 during a systemwide rebranding because several branches pass through sections of the Emerald Necklace of Boston.
North Station is a commuter rail and intercity rail terminal station in Boston, Massachusetts. It is served by four MBTA Commuter Rail lines – the Fitchburg Line, Haverhill Line, Lowell Line, and Newburyport/Rockport Line – and the Amtrak Downeaster intercity service. The concourse is located under the TD Garden arena, with the platforms extending north towards drawbridges over the Charles River. The eponymous subway station, served by the Green Line and Orange Line, is connected to the concourse with an underground passageway.
Wellington station is a Massachusetts Bay Transportation Authority (MBTA) Orange Line rapid transit station in Medford, Massachusetts, near the border of Everett. It is located on the Revere Beach Parkway, slightly east of its intersection with Route 28. Wellington functions as a park and ride with more than 1,300 spaces, and a bus hub with 10 routes terminating at the station. The Station Landing development, connected to the station by an overhead walkway, includes residential and retail buildings and additional parking. Wellington Carhouse, the primary repair and maintenance facility for the Orange Line, is located adjacent to the station.
The MBTA Commuter Rail system serves as the commuter rail arm of the Massachusetts Bay Transportation Authority's (MBTA's) transportation coverage of Greater Boston in the United States. Trains run over 394 mi (634 km) of track to 134 stations. It is operated under contract by Keolis, which took over operations on July 1, 2014, from the Massachusetts Bay Commuter Railroad Company (MBCR).
Oak Grove station is a Massachusetts Bay Transportation Authority (MBTA) intermodal transit station in the northern section of Malden, Massachusetts, just south of the Melrose border. It is the northern terminus of the rapid transit Orange Line and a stop on the Haverhill Line commuter rail service. The accessible station has a 788-space park and ride lot and is served by four MBTA bus routes.
Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station in Lechmere Square in East Cambridge, Massachusetts. It is located on the east side of Monsignor O'Brien Highway near First Street, adjacent to the NorthPoint development. The accessible elevated station has a single island platform, with headhouses at both ends. It opened on March 21, 2022, as part of the Green Line Extension (GLX). Lechmere station is served by Green Line D branch and E branch service.
Riverside station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station located in the Auburndale village of Newton, Massachusetts. It is the western terminal of the Green Line D branch service. The station is located near the interchange of Interstate 95 and the Massachusetts Turnpike (I-90) and serves as a regional park and ride station. West of the station is Riverside Yard, the main maintenance facility and largest storage yard for the Green Line. The station is fully accessible.
Malden Center station is a Massachusetts Bay Transportation Authority (MBTA) intermodal transit station in Malden, Massachusetts. Located on an elevated grade above Pleasant Street in downtown Malden, it serves the rapid transit Orange Line and the MBTA Commuter Rail Haverhill Line. The station has one island platform for the two Orange Line tracks and a single side platform for the single commuter rail track. Two busways are used by 13 MBTA bus routes.
The Green Line D branch is a light rail line in Boston, Brookline, Cambridge, Newton, and Somerville, Massachusetts, operating as part of the Massachusetts Bay Transportation Authority (MBTA) Green Line. The line runs on a grade separated surface right-of-way for 9 miles (14 km) from Riverside station to Fenway station. The line merges into the C branch tunnel west of Kenmore, then follows the Boylston Street subway and Tremont Street subway to North Station. It is the longest and busiest of the four Green Line branches. As of February 2023, service operates on 8 to 9-minute headways at weekday peak hours and 8 to 11-minute headways at other times, using 13 to 19 trains.
Community College station is a rapid transit station on the MBTA Orange Line in Boston, Massachusetts. It is located in the Charlestown neighborhood off Austin Street near New Rutherford Avenue (MA-99), under the double-decked elevated structure carrying Interstate 93 to the Zakim Bunker Hill Bridge. The station is named for the adjacent Bunker Hill Community College. The station opened in April 1975, replacing the City Square and Thompson Square stations of the Charlestown Elevated. It was made accessible around 2005.
Quincy Center station is an intermodal transit station in Quincy, Massachusetts. It is a transfer station between the MBTA Red Line subway, MBTA Commuter Rail's Old Colony Lines and Greenbush Line, and a number of MBTA bus routes. It is located between Hancock Street and Burgin Parkway in the Quincy Center district. Opened in 1971, the station was covered by a large parking garage which was closed in 2012 due to structural problems and removed several years later. The station is accessible on all modes.
Readville station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail station located in the Readville section of the Hyde Park neighborhood of Boston, Massachusetts. It is served by MBTA Commuter Rail Fairmount Line and Franklin/Foxboro Line. Readville is the outer terminus for most Fairmount service, though some trips continue as Franklin/Foxboro Line trains. The station is located at a multi-level junction, with the Northeast Corridor tracks at ground level and the Dorchester Branch above; Franklin/Foxboro Line trains use a connecting track with a separate platform. Platforms are available for the Providence/Stoughton Line on the Northeast Corridor tracks, but they are not regularly used. An MBTA maintenance and storage yard and a CSX Transportation freight yard are located near the station.
Bellingham Square station is a Massachusetts Bay Transportation Authority (MBTA) Silver Line bus rapid transit (BRT) station located near Bellingham Square slightly north of downtown Chelsea, Massachusetts. The station has two accessible side platforms for buses on the SL3 route. The Boston and Maine Railroad and predecessor Eastern Railroad served Chelsea station at the same location from the mid-1850s to 1958. The MBTA opened Chelsea station on the Newburyport/Rockport Line in 1985. Prior to its 2010 cancellation, the Urban Ring Project planned for a circumferential BRT line with a stop at Mystic Mall. Planning continued for the Chelsea segment; a Silver Line extension to Mystic Mall was announced in 2013. Construction began in 2015, and SL3 service to the renamed Bellingham Square station began on April 21, 2018. Commuter rail service moved to the newly constructed Chelsea station on November 15, 2021.
The Green Line Extension (GLX) was a construction project to extend the Massachusetts Bay Transportation Authority (MBTA) Green Line light rail system northwest into Somerville and Medford, two inner suburbs of Boston, Massachusetts. The project opened in two phases in 2022 at a total cost of $2.28 billion. Total ridership on the 4.3-mile (6.9 km) extension is estimated to reach 45,000 one-way trips per day in 2030.
Medford/Tufts station is a light rail station on the Massachusetts Bay Transportation Authority (MBTA) Green Line located off Boston Avenue near College Avenue in Medford, Massachusetts, adjacent to Tufts University. The accessible station has a single island platform serving the two tracks of the Medford Branch. It opened on December 12, 2022, as part of the Green Line Extension (GLX), which added two northern branches to the Green Line, and is the northern terminus of the E branch.
Ball Square station is a light rail station on the Massachusetts Bay Transportation Authority (MBTA) Green Line located at Ball Square in Somerville and Medford, Massachusetts. The accessible station has a single island platform serving the two tracks of the Medford Branch. It opened on December 12, 2022, as part of the Green Line Extension (GLX), which added two northern branches to the Green Line, and is served by the E branch.
Magoun Square station is a light rail station on the Massachusetts Bay Transportation Authority (MBTA) Green Line located at Lowell Street south of Magoun Square in Somerville, Massachusetts. The accessible station has a single island platform serving the two tracks of the Medford Branch. It opened on December 12, 2022, as part of the Green Line Extension (GLX), which added two northern branches to the Green Line, and is served by the E branch.
Gilman Square station is a light rail station on the Massachusetts Bay Transportation Authority (MBTA) Green Line located at Gilman Square in Somerville, Massachusetts. The accessible station has a single island platform serving the two tracks of the Medford Branch. It opened on December 12, 2022, as part of the Green Line Extension (GLX), which added two northern branches to the Green Line, and is served by the E branch.
East Somerville station is a light rail station on the Massachusetts Bay Transportation Authority (MBTA) Green Line located in southeastern Somerville, Massachusetts. The accessible station has a single island platform serving the two tracks of the Medford Branch. It opened on December 12, 2022, as part of the Green Line Extension (GLX), which added two northern branches to the Green Line, and is served by the E branch.
